mathsurgery - tax 01.2 arithmetic

1.0	Elementary mathematics
1.2	Arithmetic
1.2.1	Operations
1.2.1.1	Addition
1.2.1.2	Subtraction
1.2.1.3	Multiplication
1.2.1.4	Division
1.2.1.5	Square roots
1.2.1.6	Factorials
1.2.2	Fractions
1.2.2.1	Equivalent fractions
1.2.2.2	Addition of fractions
1.2.2.3	Subtraction of fractions
1.2.2.4	Multiplication of fractions
1.2.2.5	Division of fractions
1.2.2.6	Ratio and proportion
1.2.3	Decimals
1.2.3.1	Addition of decimals
1.2.3.2	Subtraction of decimals
1.2.3.3	Multiplication of decimals
1.2.3.4	Division of decimals
1.2.3.5	Percents (percentages)
1.2.4	Estimation
1.2.5	Comparision of numbers
1.2.6	Exponents (powers)
1.2.6.1	Multiplication of powers
1.2.6.2	Division of powers
1.2.6.3	Powers of a power
1.2.6.4	Special powers
1.2.6.4.1	1 = x0
1.2.6.4.2	x = x1
1.2.6.5	Negative powers
1.2.6.6	Fractional powers
1.2.6.7	Standard index form

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